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Pheochromocytoma and Takotsubo’s Cardiomyopathy Requiring Extracorporeal Membrane Support: A Report of Two Cases and Review of Takotsubo’s Cardiomyopathy Subtypes

Authors: Kanagalingam T; Sarma S; Azab A; Gomez-Hernandez K;

Pheochromocytoma and Takotsubo’s Cardiomyopathy Requiring Extracorporeal Membrane Support: A Report of Two Cases and Review of Takotsubo’s Cardiomyopathy Subtypes

Abstract

Pheochromocytoma/Paraganglioma (PPGL) are rare neuroendocrine catecholamine secreting tumours that may vary widely in their clinical presentation. Previous case series describe 12% of PPGL patients initially presenting with cardiac complications. Pheochromocytoma-related Takotsubo’s cardiomyopathy has been well described in the literature and may present with primarily basal dyskinesis (inverted subtype), apical dyskinesis (classic subtype), or global dyskinesis. Basal dyskineses has been more commonly described in pheochromocytoma-related Takotsubo’s cardiomyopathy. We present two cases of severe cardiogenic shock requiring Extra-Corporeal Membrane Support (ECMO) with Takotsubo’s cardiomyopathy secondary to pheochromocytoma at University Health Network, Toronto. In both cases, the pheochromocytoma was incidentally discovered on imaging. Both patients responded favourably to ECMO and alpha-adrenergic blockade with recovery of ejection fraction. Both received adrenalectomy as an outpatient with successful recovery. Although rare, PPGL should be considered in younger patients presenting with severe unexplained cardiogenic shock and Takotsubo’s cardiomyopathy.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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